.ig
Test the groff \A'xxx' construction.  To see what groff does with it,
use this command: groff -a this-file
..
.ta 2i
.nf
a	\A'a'
ab	\A'ab'
abc	\A'abc'
\&.abc	\A'.abc'
a c	\A'a c'
a"c	\A'a"c'
a*c	\A'a*c'
\(ts	\A'\(ts'
0	\A'0'
10	\A'10'
-1	\A'-1'
\e\e	\A'\\'
\ee	\A'\e'
\ea	\A'\a'
\e0	\A'\0'
empty	\A''
no closing quote	\A'
nothing after A	\A
